./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label16.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_cccfac78-0389-4302-8816-164219dd196c/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_cccfac78-0389-4302-8816-164219dd196c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cccfac78-0389-4302-8816-164219dd196c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cccfac78-0389-4302-8816-164219dd196c/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label16.c -s /tmp/vcloud-vcloud-master/worker/run_dir_cccfac78-0389-4302-8816-164219dd196c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cccfac78-0389-4302-8816-164219dd196c/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7c295c4b11525bc49b762e22748ce84e03f9bb69 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 22:26:27,107 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 22:26:27,127 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 22:26:27,179 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 22:26:27,180 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 22:26:27,186 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 22:26:27,189 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 22:26:27,194 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 22:26:27,196 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 22:26:27,204 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 22:26:27,205 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 22:26:27,208 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 22:26:27,208 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 22:26:27,211 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 22:26:27,212 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 22:26:27,214 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 22:26:27,214 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 22:26:27,216 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 22:26:27,218 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 22:26:27,220 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 22:26:27,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 22:26:27,226 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 22:26:27,228 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 22:26:27,230 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 22:26:27,235 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 22:26:27,242 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 22:26:27,242 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 22:26:27,243 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 22:26:27,245 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 22:26:27,246 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 22:26:27,247 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 22:26:27,248 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 22:26:27,249 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 22:26:27,251 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 22:26:27,253 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 22:26:27,254 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 22:26:27,255 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 22:26:27,255 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 22:26:27,255 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 22:26:27,256 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 22:26:27,257 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 22:26:27,260 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cccfac78-0389-4302-8816-164219dd196c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 22:26:27,303 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 22:26:27,306 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 22:26:27,308 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 22:26:27,308 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 22:26:27,309 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 22:26:27,309 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 22:26:27,309 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 22:26:27,310 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 22:26:27,310 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 22:26:27,310 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 22:26:27,311 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 22:26:27,312 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 22:26:27,312 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 22:26:27,312 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 22:26:27,312 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 22:26:27,313 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 22:26:27,313 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 22:26:27,313 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 22:26:27,313 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 22:26:27,314 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 22:26:27,314 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 22:26:27,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 22:26:27,314 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 22:26:27,315 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 22:26:27,315 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 22:26:27,315 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 22:26:27,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 22:26:27,316 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 22:26:27,316 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 22:26:27,316 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_cccfac78-0389-4302-8816-164219dd196c/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_cccfac78-0389-4302-8816-164219dd196c/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c295c4b11525bc49b762e22748ce84e03f9bb69 [2020-11-29 22:26:27,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 22:26:27,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 22:26:27,604 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 22:26:27,605 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 22:26:27,606 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 22:26:27,607 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cccfac78-0389-4302-8816-164219dd196c/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label16.c [2020-11-29 22:26:27,697 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cccfac78-0389-4302-8816-164219dd196c/bin/uautomizer/data/b8a59a1fc/ceb35ea63c284acfa9dc22c003c6d8c7/FLAGb8c15bbcf [2020-11-29 22:26:28,299 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 22:26:28,300 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cccfac78-0389-4302-8816-164219dd196c/sv-benchmarks/c/eca-rers2012/Problem02_label16.c [2020-11-29 22:26:28,315 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cccfac78-0389-4302-8816-164219dd196c/bin/uautomizer/data/b8a59a1fc/ceb35ea63c284acfa9dc22c003c6d8c7/FLAGb8c15bbcf [2020-11-29 22:26:28,513 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cccfac78-0389-4302-8816-164219dd196c/bin/uautomizer/data/b8a59a1fc/ceb35ea63c284acfa9dc22c003c6d8c7 [2020-11-29 22:26:28,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 22:26:28,517 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 22:26:28,519 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 22:26:28,519 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 22:26:28,522 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 22:26:28,523 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:26:28" (1/1) ... [2020-11-29 22:26:28,525 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4667b936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:26:28, skipping insertion in model container [2020-11-29 22:26:28,526 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:26:28" (1/1) ... [2020-11-29 22:26:28,533 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 22:26:28,573 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 22:26:28,990 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:26:28,999 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 22:26:29,104 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:26:29,130 INFO L208 MainTranslator]: Completed translation [2020-11-29 22:26:29,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:26:29 WrapperNode [2020-11-29 22:26:29,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 22:26:29,131 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 22:26:29,131 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 22:26:29,131 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 22:26:29,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:26:29" (1/1) ... [2020-11-29 22:26:29,158 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:26:29" (1/1) ... [2020-11-29 22:26:29,212 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 22:26:29,213 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 22:26:29,213 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 22:26:29,213 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 22:26:29,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:26:29" (1/1) ... [2020-11-29 22:26:29,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:26:29" (1/1) ... [2020-11-29 22:26:29,231 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:26:29" (1/1) ... [2020-11-29 22:26:29,232 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:26:29" (1/1) ... [2020-11-29 22:26:29,254 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:26:29" (1/1) ... [2020-11-29 22:26:29,264 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:26:29" (1/1) ... [2020-11-29 22:26:29,270 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:26:29" (1/1) ... [2020-11-29 22:26:29,294 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 22:26:29,295 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 22:26:29,295 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 22:26:29,295 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 22:26:29,296 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:26:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cccfac78-0389-4302-8816-164219dd196c/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 22:26:29,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 22:26:29,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 22:26:29,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 22:26:29,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 22:26:31,017 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 22:26:31,018 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 22:26:31,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:26:31 BoogieIcfgContainer [2020-11-29 22:26:31,022 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 22:26:31,025 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 22:26:31,026 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 22:26:31,029 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 22:26:31,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 10:26:28" (1/3) ... [2020-11-29 22:26:31,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@627ea00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:26:31, skipping insertion in model container [2020-11-29 22:26:31,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:26:29" (2/3) ... [2020-11-29 22:26:31,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@627ea00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:26:31, skipping insertion in model container [2020-11-29 22:26:31,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:26:31" (3/3) ... [2020-11-29 22:26:31,033 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label16.c [2020-11-29 22:26:31,044 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 22:26:31,049 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 22:26:31,061 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 22:26:31,105 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 22:26:31,105 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 22:26:31,105 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 22:26:31,106 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 22:26:31,106 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 22:26:31,106 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 22:26:31,106 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 22:26:31,106 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 22:26:31,128 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states. [2020-11-29 22:26:31,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-11-29 22:26:31,142 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:26:31,143 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:26:31,143 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:26:31,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:26:31,150 INFO L82 PathProgramCache]: Analyzing trace with hash -866593277, now seen corresponding path program 1 times [2020-11-29 22:26:31,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:26:31,159 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871547787] [2020-11-29 22:26:31,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:26:31,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:26:31,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:26:31,655 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871547787] [2020-11-29 22:26:31,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:26:31,657 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:26:31,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755133002] [2020-11-29 22:26:31,664 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:26:31,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:26:31,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:26:31,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:26:31,681 INFO L87 Difference]: Start difference. First operand 228 states. Second operand 3 states. [2020-11-29 22:26:32,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:26:32,631 INFO L93 Difference]: Finished difference Result 597 states and 1031 transitions. [2020-11-29 22:26:32,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:26:32,633 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 87 [2020-11-29 22:26:32,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:26:32,652 INFO L225 Difference]: With dead ends: 597 [2020-11-29 22:26:32,652 INFO L226 Difference]: Without dead ends: 305 [2020-11-29 22:26:32,663 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:26:32,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2020-11-29 22:26:32,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2020-11-29 22:26:32,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2020-11-29 22:26:32,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 464 transitions. [2020-11-29 22:26:32,725 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 464 transitions. Word has length 87 [2020-11-29 22:26:32,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:26:32,730 INFO L481 AbstractCegarLoop]: Abstraction has 305 states and 464 transitions. [2020-11-29 22:26:32,730 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:26:32,731 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 464 transitions. [2020-11-29 22:26:32,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-11-29 22:26:32,740 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:26:32,740 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:26:32,741 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 22:26:32,741 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:26:32,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:26:32,744 INFO L82 PathProgramCache]: Analyzing trace with hash 652010629, now seen corresponding path program 1 times [2020-11-29 22:26:32,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:26:32,745 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322434934] [2020-11-29 22:26:32,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:26:32,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:26:32,863 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:26:32,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322434934] [2020-11-29 22:26:32,864 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:26:32,864 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:26:32,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661028112] [2020-11-29 22:26:32,865 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:26:32,866 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:26:32,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:26:32,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:26:32,868 INFO L87 Difference]: Start difference. First operand 305 states and 464 transitions. Second operand 3 states. [2020-11-29 22:26:33,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:26:33,254 INFO L93 Difference]: Finished difference Result 599 states and 913 transitions. [2020-11-29 22:26:33,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:26:33,254 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-11-29 22:26:33,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:26:33,257 INFO L225 Difference]: With dead ends: 599 [2020-11-29 22:26:33,257 INFO L226 Difference]: Without dead ends: 296 [2020-11-29 22:26:33,260 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:26:33,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-11-29 22:26:33,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 296. [2020-11-29 22:26:33,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-11-29 22:26:33,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 421 transitions. [2020-11-29 22:26:33,304 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 421 transitions. Word has length 98 [2020-11-29 22:26:33,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:26:33,306 INFO L481 AbstractCegarLoop]: Abstraction has 296 states and 421 transitions. [2020-11-29 22:26:33,306 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:26:33,306 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 421 transitions. [2020-11-29 22:26:33,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-11-29 22:26:33,318 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:26:33,318 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:26:33,319 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 22:26:33,320 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:26:33,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:26:33,320 INFO L82 PathProgramCache]: Analyzing trace with hash -248858592, now seen corresponding path program 1 times [2020-11-29 22:26:33,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:26:33,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838058030] [2020-11-29 22:26:33,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:26:33,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:26:33,446 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:26:33,446 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838058030] [2020-11-29 22:26:33,446 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:26:33,447 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:26:33,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834495111] [2020-11-29 22:26:33,449 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:26:33,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:26:33,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:26:33,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:26:33,455 INFO L87 Difference]: Start difference. First operand 296 states and 421 transitions. Second operand 3 states. [2020-11-29 22:26:34,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:26:34,046 INFO L93 Difference]: Finished difference Result 880 states and 1254 transitions. [2020-11-29 22:26:34,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:26:34,049 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2020-11-29 22:26:34,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:26:34,053 INFO L225 Difference]: With dead ends: 880 [2020-11-29 22:26:34,053 INFO L226 Difference]: Without dead ends: 586 [2020-11-29 22:26:34,055 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:26:34,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2020-11-29 22:26:34,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 581. [2020-11-29 22:26:34,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 581 states. [2020-11-29 22:26:34,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 798 transitions. [2020-11-29 22:26:34,100 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 798 transitions. Word has length 105 [2020-11-29 22:26:34,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:26:34,101 INFO L481 AbstractCegarLoop]: Abstraction has 581 states and 798 transitions. [2020-11-29 22:26:34,101 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:26:34,101 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 798 transitions. [2020-11-29 22:26:34,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-11-29 22:26:34,105 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:26:34,105 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:26:34,105 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 22:26:34,106 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:26:34,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:26:34,106 INFO L82 PathProgramCache]: Analyzing trace with hash 1283636947, now seen corresponding path program 1 times [2020-11-29 22:26:34,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:26:34,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065431337] [2020-11-29 22:26:34,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:26:34,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:26:34,159 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-29 22:26:34,160 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065431337] [2020-11-29 22:26:34,160 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:26:34,160 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:26:34,161 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647590637] [2020-11-29 22:26:34,161 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:26:34,161 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:26:34,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:26:34,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:26:34,162 INFO L87 Difference]: Start difference. First operand 581 states and 798 transitions. Second operand 3 states. [2020-11-29 22:26:34,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:26:34,785 INFO L93 Difference]: Finished difference Result 1582 states and 2183 transitions. [2020-11-29 22:26:34,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:26:34,791 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2020-11-29 22:26:34,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:26:34,797 INFO L225 Difference]: With dead ends: 1582 [2020-11-29 22:26:34,797 INFO L226 Difference]: Without dead ends: 1003 [2020-11-29 22:26:34,798 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:26:34,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1003 states. [2020-11-29 22:26:34,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1003 to 863. [2020-11-29 22:26:34,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 863 states. [2020-11-29 22:26:34,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 863 states and 1100 transitions. [2020-11-29 22:26:34,827 INFO L78 Accepts]: Start accepts. Automaton has 863 states and 1100 transitions. Word has length 109 [2020-11-29 22:26:34,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:26:34,827 INFO L481 AbstractCegarLoop]: Abstraction has 863 states and 1100 transitions. [2020-11-29 22:26:34,827 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:26:34,827 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 1100 transitions. [2020-11-29 22:26:34,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-11-29 22:26:34,838 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:26:34,838 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:26:34,838 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 22:26:34,839 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:26:34,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:26:34,840 INFO L82 PathProgramCache]: Analyzing trace with hash 799006822, now seen corresponding path program 1 times [2020-11-29 22:26:34,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:26:34,841 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631558134] [2020-11-29 22:26:34,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:26:34,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:26:34,957 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-29 22:26:34,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631558134] [2020-11-29 22:26:34,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [194353422] [2020-11-29 22:26:34,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cccfac78-0389-4302-8816-164219dd196c/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 22:26:35,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:26:35,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 22:26:35,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:26:35,189 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 22:26:35,199 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 22:26:35,199 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-29 22:26:35,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422275203] [2020-11-29 22:26:35,200 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:26:35,202 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:26:35,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:26:35,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:26:35,205 INFO L87 Difference]: Start difference. First operand 863 states and 1100 transitions. Second operand 3 states. [2020-11-29 22:26:36,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:26:36,048 INFO L93 Difference]: Finished difference Result 1866 states and 2435 transitions. [2020-11-29 22:26:36,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:26:36,049 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 114 [2020-11-29 22:26:36,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:26:36,055 INFO L225 Difference]: With dead ends: 1866 [2020-11-29 22:26:36,056 INFO L226 Difference]: Without dead ends: 1145 [2020-11-29 22:26:36,058 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:26:36,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1145 states. [2020-11-29 22:26:36,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1145 to 1004. [2020-11-29 22:26:36,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1004 states. [2020-11-29 22:26:36,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 1004 states and 1244 transitions. [2020-11-29 22:26:36,096 INFO L78 Accepts]: Start accepts. Automaton has 1004 states and 1244 transitions. Word has length 114 [2020-11-29 22:26:36,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:26:36,096 INFO L481 AbstractCegarLoop]: Abstraction has 1004 states and 1244 transitions. [2020-11-29 22:26:36,096 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:26:36,096 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1244 transitions. [2020-11-29 22:26:36,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-11-29 22:26:36,099 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:26:36,099 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:26:36,313 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 22:26:36,313 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:26:36,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:26:36,313 INFO L82 PathProgramCache]: Analyzing trace with hash 2105740925, now seen corresponding path program 1 times [2020-11-29 22:26:36,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:26:36,314 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451574498] [2020-11-29 22:26:36,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:26:36,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:26:36,390 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:26:36,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:26:36,451 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:26:36,510 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 22:26:36,510 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 22:26:36,511 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 22:26:36,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 10:26:36 BoogieIcfgContainer [2020-11-29 22:26:36,703 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 22:26:36,703 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 22:26:36,704 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 22:26:36,704 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 22:26:36,704 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:26:31" (3/4) ... [2020-11-29 22:26:36,707 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-29 22:26:36,880 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_cccfac78-0389-4302-8816-164219dd196c/bin/uautomizer/witness.graphml [2020-11-29 22:26:36,884 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 22:26:36,886 INFO L168 Benchmark]: Toolchain (without parser) took 8367.07 ms. Allocated memory was 79.7 MB in the beginning and 174.1 MB in the end (delta: 94.4 MB). Free memory was 45.6 MB in the beginning and 98.5 MB in the end (delta: -52.9 MB). Peak memory consumption was 39.6 MB. Max. memory is 16.1 GB. [2020-11-29 22:26:36,886 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 79.7 MB. Free memory was 52.9 MB in the beginning and 52.9 MB in the end (delta: 28.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:26:36,887 INFO L168 Benchmark]: CACSL2BoogieTranslator took 611.39 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 45.3 MB in the beginning and 58.6 MB in the end (delta: -13.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 22:26:36,888 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.95 ms. Allocated memory is still 96.5 MB. Free memory was 58.6 MB in the beginning and 53.0 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 22:26:36,888 INFO L168 Benchmark]: Boogie Preprocessor took 81.46 ms. Allocated memory is still 96.5 MB. Free memory was 53.0 MB in the beginning and 48.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 22:26:36,888 INFO L168 Benchmark]: RCFGBuilder took 1727.84 ms. Allocated memory is still 96.5 MB. Free memory was 48.8 MB in the beginning and 56.6 MB in the end (delta: -7.8 MB). Peak memory consumption was 30.2 MB. Max. memory is 16.1 GB. [2020-11-29 22:26:36,889 INFO L168 Benchmark]: TraceAbstraction took 5677.94 ms. Allocated memory was 96.5 MB in the beginning and 174.1 MB in the end (delta: 77.6 MB). Free memory was 56.0 MB in the beginning and 116.3 MB in the end (delta: -60.3 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. [2020-11-29 22:26:36,889 INFO L168 Benchmark]: Witness Printer took 180.55 ms. Allocated memory is still 174.1 MB. Free memory was 116.3 MB in the beginning and 98.5 MB in the end (delta: 17.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-29 22:26:36,891 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 79.7 MB. Free memory was 52.9 MB in the beginning and 52.9 MB in the end (delta: 28.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 611.39 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 45.3 MB in the beginning and 58.6 MB in the end (delta: -13.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 80.95 ms. Allocated memory is still 96.5 MB. Free memory was 58.6 MB in the beginning and 53.0 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 81.46 ms. Allocated memory is still 96.5 MB. Free memory was 53.0 MB in the beginning and 48.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1727.84 ms. Allocated memory is still 96.5 MB. Free memory was 48.8 MB in the beginning and 56.6 MB in the end (delta: -7.8 MB). Peak memory consumption was 30.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5677.94 ms. Allocated memory was 96.5 MB in the beginning and 174.1 MB in the end (delta: 77.6 MB). Free memory was 56.0 MB in the beginning and 116.3 MB in the end (delta: -60.3 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. * Witness Printer took 180.55 ms. Allocated memory is still 174.1 MB. Free memory was 116.3 MB in the beginning and 98.5 MB in the end (delta: 17.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 12]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L17] int a= 1; [L18] int e= 5; [L19] int d= 4; [L20] int f= 6; [L21] int c= 3; [L24] int u = 21; [L25] int v = 22; [L26] int w = 23; [L27] int x = 24; [L28] int y = 25; [L29] int z = 26; [L32] int a25 = 0; [L33] int a11 = 0; [L34] int a28 = 7; [L35] int a19 = 1; [L36] int a21 = 1; [L37] int a17 = 8; VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L613] int output = -1; VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L616] COND TRUE 1 [L619] int input; [L620] input = __VERIFIER_nondet_int() [L621] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L40] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L45] COND FALSE !(((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1)))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L48] COND FALSE !(((a21==1)&&((a19==1)&&((((((a25==1)||!(a25==1))&&(input==3))&&(a17==9))&&(a11==1))&&(a28==9))))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L52] COND FALSE !(((a28==9)&&(!(a19==1)&&((a21==1)&&((((input==4)&&!(a25==1))&&!(a11==1))&&(a17==8)))))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L57] COND FALSE !(((((a17==8)&&((((input==1)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a19==1)))&&(a21==1))&&(a28==10))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L60] COND TRUE ((a19==1)&&(!(a25==1)&&((a21==1)&&((((input==1)&&(a17==8))&&!(a11==1))&&(a28==7))))) [L61] a28 = 11 [L62] a25 = 1 [L63] return 26; VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=1, a28=11, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L624] output = calculate_output(input) [L616] COND TRUE 1 [L619] int input; [L620] input = __VERIFIER_nondet_int() [L621] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L40] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=1, a28=11, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L45] COND FALSE !(((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1)))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=1, a28=11, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L48] COND FALSE !(((a21==1)&&((a19==1)&&((((((a25==1)||!(a25==1))&&(input==3))&&(a17==9))&&(a11==1))&&(a28==9))))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=1, a28=11, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L52] COND FALSE !(((a28==9)&&(!(a19==1)&&((a21==1)&&((((input==4)&&!(a25==1))&&!(a11==1))&&(a17==8)))))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=1, a28=11, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L57] COND FALSE !(((((a17==8)&&((((input==1)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a19==1)))&&(a21==1))&&(a28==10))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=1, a28=11, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L60] COND FALSE !(((a19==1)&&(!(a25==1)&&((a21==1)&&((((input==1)&&(a17==8))&&!(a11==1))&&(a28==7)))))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=1, a28=11, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L64] COND FALSE !(((((!(a19==1)&&((input==1)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))))&&(a21==1))&&(a17==8))&&!(a11==1))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=1, a28=11, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L69] COND FALSE !(((a19==1)&&(((((input==1)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1)))))&&(a11==1))&&(a21==1))&&(a17==9)))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=1, a28=11, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L75] COND FALSE !(((a19==1)&&(((a17==8)&&(((input==6)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))&&!(a11==1)))&&(a21==1)))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=1, a28=11, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L79] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==1)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9)))))&&!(a19==1))&&(a17==8)))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=1, a28=11, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L84] COND FALSE !((!(a19==1)&&(((((a17==8)&&((a25==1)&&(input==3)))&&(a28==10))&&!(a11==1))&&(a21==1)))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=1, a28=11, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L92] COND FALSE !((((!(a19==1)&&((a21==1)&&((((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1))))&&(input==4))))&&!(a11==1))&&(a17==8))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=1, a28=11, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L101] COND FALSE !(((a17==8)&&((a21==1)&&((a25==1)&&((a19==1)&&(!(a11==1)&&((a28==11)&&(input==3)))))))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=1, a28=11, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L105] COND FALSE !(((a28==9)&&(((!(a19==1)&&(((input==3)&&!(a11==1))&&(a17==8)))&&!(a25==1))&&(a21==1)))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=1, a28=11, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L109] COND TRUE ((!(a11==1)&&(((a28==11)&&((a25==1)&&((input==1)&&(a19==1))))&&(a17==8)))&&(a21==1)) [L110] a17 = 7 [L111] a25 = 0 [L112] a11 = 1 [L113] a28 = 10 [L114] a19 = 0 [L115] return -1; VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L624] output = calculate_output(input) [L616] COND TRUE 1 [L619] int input; [L620] input = __VERIFIER_nondet_int() [L621] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L40] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L45] COND FALSE !(((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1)))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L48] COND FALSE !(((a21==1)&&((a19==1)&&((((((a25==1)||!(a25==1))&&(input==3))&&(a17==9))&&(a11==1))&&(a28==9))))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L52] COND FALSE !(((a28==9)&&(!(a19==1)&&((a21==1)&&((((input==4)&&!(a25==1))&&!(a11==1))&&(a17==8)))))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L57] COND FALSE !(((((a17==8)&&((((input==1)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a19==1)))&&(a21==1))&&(a28==10))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L60] COND FALSE !(((a19==1)&&(!(a25==1)&&((a21==1)&&((((input==1)&&(a17==8))&&!(a11==1))&&(a28==7)))))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L64] COND FALSE !(((((!(a19==1)&&((input==1)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))))&&(a21==1))&&(a17==8))&&!(a11==1))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L69] COND FALSE !(((a19==1)&&(((((input==1)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1)))))&&(a11==1))&&(a21==1))&&(a17==9)))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L75] COND FALSE !(((a19==1)&&(((a17==8)&&(((input==6)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))&&!(a11==1)))&&(a21==1)))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L79] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==1)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9)))))&&!(a19==1))&&(a17==8)))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L84] COND FALSE !((!(a19==1)&&(((((a17==8)&&((a25==1)&&(input==3)))&&(a28==10))&&!(a11==1))&&(a21==1)))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L92] COND FALSE !((((!(a19==1)&&((a21==1)&&((((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1))))&&(input==4))))&&!(a11==1))&&(a17==8))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L101] COND FALSE !(((a17==8)&&((a21==1)&&((a25==1)&&((a19==1)&&(!(a11==1)&&((a28==11)&&(input==3)))))))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L105] COND FALSE !(((a28==9)&&(((!(a19==1)&&(((input==3)&&!(a11==1))&&(a17==8)))&&!(a25==1))&&(a21==1)))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L109] COND FALSE !(((!(a11==1)&&(((a28==11)&&((a25==1)&&((input==1)&&(a19==1))))&&(a17==8)))&&(a21==1))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L116] COND FALSE !((((a11==1)&&((((((a25==1)&&(a28==8))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7))))&&(input==6))&&(a19==1))&&(a17==9)))&&(a21==1))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L123] COND FALSE !(((a17==8)&&((a21==1)&&(!(a11==1)&&(!(a19==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))))))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L129] COND FALSE !((((((a21==1)&&((a28==10)&&((input==1)&&(a25==1))))&&!(a11==1))&&(a17==8))&&!(a19==1))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L133] COND FALSE !((!(a11==1)&&(!(a19==1)&&(((a17==8)&&((input==6)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a28==8)&&(a25==1)))))&&(a21==1))))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L140] COND FALSE !(((((a17==8)&&(!(a19==1)&&(((input==6)&&(a21==1))&&!(a25==1))))&&!(a11==1))&&(a28==9))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L144] COND FALSE !((!(a11==1)&&((!(a25==1)&&(((a21==1)&&((input==1)&&(a19==1)))&&(a17==8)))&&(a28==11)))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L149] COND FALSE !((((a11==1)&&(((a19==1)&&((a21==1)&&(((a25==1)||!(a25==1))&&(input==4))))&&(a17==9)))&&(a28==9))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L153] COND FALSE !(((!(a11==1)&&((a28==9)&&(((!(a19==1)&&(input==5))&&!(a25==1))&&(a21==1))))&&(a17==8))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L158] COND FALSE !(((!(a11==1)&&(((a17==8)&&(((((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))||((a28==8)&&(a25==1)))&&(input==3)))&&!(a19==1)))&&(a21==1))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L164] COND FALSE !(((a21==1)&&(!(a19==1)&&((((input==5)&&(((a28==8)&&(a25==1))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7)))))&&!(a11==1))&&(a17==8))))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L169] COND FALSE !((((a17==9)&&(((a28==8)&&(((input==1)&&(a19==1))&&!(a25==1)))&&(a11==1)))&&(a21==1))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L175] COND FALSE !((((a21==1)&&((a19==1)&&((a28==7)&&((a17==8)&&(!(a25==1)&&(input==3))))))&&!(a11==1))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L179] COND FALSE !(((a28==11)&&(((a17==8)&&((((input==6)&&(a21==1))&&(a19==1))&&!(a25==1)))&&!(a11==1)))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L185] COND FALSE !(((!(a11==1)&&(((a17==8)&&((a21==1)&&((input==3)&&(a28==8))))&&(a19==1)))&&(a25==1))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L189] COND FALSE !((((a21==1)&&(((a19==1)&&(((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))&&(input==4)))&&(a11==1)))&&(a17==9))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L195] COND FALSE !((((!(a11==1)&&((a17==8)&&(((input==4)&&(a19==1))&&(a28==8))))&&(a21==1))&&(a25==1))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L197] COND FALSE !(((a19==1)&&((((((input==4)&&(a21==1))&&(a28==9))&&!(a25==1))&&!(a11==1))&&(a17==8)))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L199] COND FALSE !(((a17==8)&&((((((input==1)&&(a21==1))&&!(a11==1))&&(a19==1))&&!(a25==1))&&(a28==9)))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L201] COND FALSE !((((((((input==4)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a21==1))&&(a17==8))&&(a28==10))&&(a19==1))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L204] COND FALSE !(((!(a25==1)&&((a11==1)&&((a28==8)&&(((a17==9)&&(input==4))&&(a19==1)))))&&(a21==1))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L208] COND FALSE !((!(a19==1)&&((a17==8)&&((a28==10)&&(((a25==1)&&(!(a11==1)&&(input==5)))&&(a21==1)))))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L212] COND FALSE !((((((a21==1)&&((input==1)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))))&&(a17==8))&&!(a11==1))&&(a19==1))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L222] COND FALSE !(((a21==1)&&((((a19==1)&&((a25==1)&&((a28==11)&&(input==6))))&&!(a11==1))&&(a17==8)))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L225] COND FALSE !((!(a11==1)&&((a19==1)&&((a28==10)&&(((((a25==1)||!(a25==1))&&(input==5))&&(a17==8))&&(a21==1)))))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L228] COND FALSE !((((((a17==9)&&((((a25==1)||!(a25==1))&&(input==6))&&(a11==1)))&&(a19==1))&&(a21==1))&&(a28==9))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L233] COND FALSE !((((a17==8)&&(((((input==6)&&(a25==1))&&!(a19==1))&&!(a11==1))&&(a28==10)))&&(a21==1))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L235] COND FALSE !(((!(a19==1)&&((a17==8)&&(!(a11==1)&&((input==1)&&((((a28==10)&&!(a25==1))||((a25==1)&&(a28==11)))||(!(a25==1)&&(a28==11)))))))&&(a21==1))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L242] COND FALSE !((((((((input==1)&&(a21==1))&&(a28==9))&&!(a19==1))&&!(a25==1))&&(a17==8))&&!(a11==1))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L244] COND FALSE !(((a17==8)&&(((!(a11==1)&&((!(a25==1)&&(input==4))&&(a19==1)))&&(a28==7))&&(a21==1)))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L247] COND FALSE !((!(a11==1)&&(((a17==8)&&((((!(a25==1)&&(a28==11))||((!(a25==1)&&(a28==10))||((a28==11)&&(a25==1))))&&(input==3))&&(a21==1)))&&!(a19==1)))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L258] COND FALSE !(((((!(a11==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==5)))&&(a21==1))&&!(a19==1))&&(a17==8))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L263] COND FALSE !((((a17==9)&&(((((input==1)&&((a25==1)||!(a25==1)))&&(a11==1))&&(a21==1))&&(a19==1)))&&(a28==9))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L269] COND FALSE !((!(a11==1)&&((a19==1)&&(((((a28==9)&&(input==6))&&(a21==1))&&(a17==8))&&!(a25==1))))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L271] COND FALSE !(((a17==9)&&((a21==1)&&((a11==1)&&(((input==3)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))))&&(a19==1)))))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L286] COND FALSE !(((a28==7)&&((a17==8)&&(!(a25==1)&&((a21==1)&&((a19==1)&&((input==5)&&!(a11==1)))))))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L290] COND FALSE !(((a28==8)&&((a21==1)&&((!(a11==1)&&(((input==1)&&(a17==8))&&(a19==1)))&&(a25==1))))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L293] COND FALSE !((((((a17==8)&&(((input==6)&&((a25==1)||!(a25==1)))&&(a21==1)))&&(a28==10))&&!(a11==1))&&(a19==1))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L296] COND FALSE !(((!(a11==1)&&((!(a19==1)&&(((!(a25==1)&&(a28==11))||(((a28==10)&&!(a25==1))||((a25==1)&&(a28==11))))&&(input==5)))&&(a17==8)))&&(a21==1))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L301] COND FALSE !(((a17==8)&&(((a21==1)&&(!(a11==1)&&((a25==1)&&((a28==8)&&(input==6)))))&&(a19==1)))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L303] COND FALSE !((((a19==1)&&((a17==8)&&(((!(a25==1)&&(input==5))&&(a21==1))&&!(a11==1))))&&(a28==11))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L307] COND FALSE !(((a11==1)&&(((a17==9)&&((a28==9)&&((a19==1)&&(((a25==1)||!(a25==1))&&(input==5)))))&&(a21==1)))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L319] COND FALSE !((((((((input==3)&&(a19==1))&&(a21==1))&&(a17==8))&&!(a25==1))&&(a28==11))&&!(a11==1))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L324] COND FALSE !(((a19==1)&&((a21==1)&&((((input==5)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))))&&(a11==1))&&(a17==9))))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L338] COND FALSE !((((a19==1)&&(((!(a11==1)&&(((a25==1)||!(a25==1))&&(input==3)))&&(a28==10))&&(a21==1)))&&(a17==8))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L341] COND FALSE !(((!(a11==1)&&(((((input==4)&&(a17==8))&&!(a25==1))&&(a21==1))&&(a28==11)))&&(a19==1))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L347] COND FALSE !((((!(a19==1)&&(((input==4)&&(((!(a25==1)&&(a28==10))||((a28==11)&&(a25==1)))||(!(a25==1)&&(a28==11))))&&(a21==1)))&&(a17==8))&&!(a11==1))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L359] COND FALSE !((!(a11==1)&&(((a17==8)&&((((a25==1)&&(input==4))&&(a19==1))&&(a28==11)))&&(a21==1)))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L364] COND FALSE !((((((a21==1)&&((((a28==8)&&!(a25==1))||((a28==9)&&(a25==1)))&&(input==6)))&&!(a11==1))&&!(a19==1))&&(a17==8))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L371] COND FALSE !(((a19==1)&&((((a21==1)&&((!(a25==1)&&(input==3))&&(a17==9)))&&(a28==8))&&(a11==1)))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L378] COND FALSE !(((a17==8)&&(((a21==1)&&(((input==5)&&((!(a25==1)&&(a28==8))||((a28==9)&&(a25==1))))&&(a19==1)))&&!(a11==1)))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L385] COND FALSE !(((a19==1)&&(((((a17==8)&&((input==5)&&!(a11==1)))&&(a21==1))&&(a25==1))&&(a28==8)))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L388] COND FALSE !((((!(a11==1)&&((((a21==1)&&(input==4))&&(a28==10))&&(a17==8)))&&!(a19==1))&&(a25==1))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L390] COND FALSE !(((a28==8)&&(((a19==1)&&((a11==1)&&(!(a25==1)&&((a17==9)&&(input==6)))))&&(a21==1)))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L399] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==6)&&((((a28==10)&&!(a25==1))||((a25==1)&&(a28==11)))||(!(a25==1)&&(a28==11)))))&&(a17==8))&&!(a19==1)))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L404] COND FALSE !((((((!(a25==1)&&((a19==1)&&(input==3)))&&(a28==9))&&(a21==1))&&(a17==8))&&!(a11==1))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L408] COND FALSE !((((a17==8)&&((((input==4)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9))))&&(a21==1))&&!(a19==1)))&&!(a11==1))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L412] COND FALSE !((((!(a11==1)&&((((a19==1)&&(input==5))&&(a17==8))&&(a21==1)))&&(a28==9))&&!(a25==1))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L414] COND FALSE !((((a11==1)&&((a19==1)&&((a21==1)&&(((a17==9)&&(input==5))&&!(a25==1)))))&&(a28==8))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L417] COND FALSE !((!(a11==1)&&((a21==1)&&(((a19==1)&&((a17==8)&&((a25==1)&&(input==5))))&&(a28==11))))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L419] COND FALSE !(((a19==1)&&((a17==8)&&(((((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))&&!(a11==1))&&(a21==1))))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L424] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==7))&&!(a19==1))&&(a21==1))&&(a17==8))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L427] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==10))&&(a19==1))&&(a21==1))&&(a17==8))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L430] COND FALSE !(((((((a25==1)&&!(a11==1))&&(a28==7))&&(a19==1))&&(a21==1))&&(a17==8))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L433] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==7))&&(a19==1))&&(a21==1))&&(a17==7))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L436] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==9))&&(a19==1))&&(a21==1))&&(a17==8))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L439] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==9))&&!(a19==1))&&(a21==1))&&(a17==7))) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L442] COND TRUE (((((!(a25==1)&&(a11==1))&&(a28==10))&&!(a19==1))&&(a21==1))&&(a17==7)) VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L12] __assert_fail("0", "Problem02_label16.c", 4, "reach_error") VAL [a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 228 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.4s, OverallIterations: 6, TraceHistogramMax: 4, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 303 SDtfs, 779 SDslu, 57 SDs, 0 SdLazy, 1661 SolverSat, 329 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 124 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1004occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 286 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 741 NumberOfCodeBlocks, 741 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 621 ConstructedInterpolants, 0 QuantifiedInterpolants, 96275 SizeOfPredicates, 0 NumberOfNonLiveVariables, 281 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 122/125 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...